require 'test/helper' class ValidateAttachmentPresenceMatcherTest < Test::Unit::TestCase context "validate_attachment_presence" do setup do reset_table("dummies"){|d| d.string :avatar_file_name } @dummy_class = reset_class "Dummy" @dummy_class.has_attached_file :avatar @matcher = self.class.validate_attachment_presence(:avatar) end should "reject a class with no validation" do assert_rejects @matcher, @dummy_class end should "accept a class with a validation" do @dummy_class.validates_attachment_presence :avatar assert_accepts @matcher, @dummy_class end end end